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cover image of The Canterbury Puzzles

The Canterbury Puzzles

Henry Ernest Dudeney Author

cover image of Pi

Pi

Scott Hemphill Author

cover image of Geometrical Solutions Derived from Mechanics; a Treatise of Archimedes

Geometrical Solutions Derived...

Archimedes Author

cover image of Calculus Made Easy

Calculus Made Easy

Fellow of the Royal Society Author
Silvanus P. Thompson Author